Jobs was among the more than two-dozen people named in the massive 364-page patent filed in 2006.

The USPTO had issed a preliminary invalidation of the patent package, but now believes all 20 patents are valid…

Apple holds numerous patents related to multitouch technology, the iPhone’s user interface and mobile devices in general. What makes this one special is that it covers the important touchscreen heuristics that lends itself to the iPhone’s iconic multitouch performance which continues to wow customers around the world.

As we speak, the Steve Jobs patent is even stronger than it was before someone (presumably Samsung and Google) challenged it anonymously.

On September 4, the patent agency “issued a reexamination certificate confirming the patentability of all 20 claims because the prior art neither anticipated this invention nor renders it obvious,” according to patent blogger Florian Müeller who runs FOSS Patents, a blog that covers intellectual property and litigation in the technology industry

Invalidating patents has become a frequent tactic used in lawsuits alleging patent infringement. If a patent is invalidated, it is removed from a company’s quiver. In the case of the never-ending legal battle between Apple and Samsung, invalidating the ‘Steve Jobs Patent’ strikes at the heart of the iPhone maker.